Daily Sunspot Evaluation
Observation Sheet Sunday, 20 November 1966
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 6
- Number of spots (f)
- 40
- Relative number (R)
- 100
- Observer
- LT
- Reading
- all checks consistent
- File
- 19661120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 17 | 02°E | 160 | |||
| 2 | D – 22 | 22 | 12°E | 150 | |||
| 3 | J – 3 | 38 | 40°E | 124 | |||
| 4 | J – 2 | 34 | 54°E | 108 | |||
| 5 | B – 6 | -17 | 13°W | 17 | |||
| 6 | C – 4 | -19 | 06°W | 168 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.